Improper input validation in Windows and Windows Server - CVE-2017-0272

 

Improper input validation in Windows and Windows Server - CVE-2017-0272

Published: May 9, 2017


Vulnerability identifier: #VU6447
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2017-0272
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server

Detailed vulnerability description

The vulnerability allows a remote unauthenticated attacker to execute arbitrary code on the target system.

The weakness exists due to improper handling of malicious requests by the Microsoft Server Message Block 1.0 (SMBv1). A remote attacker can send a specially crafted packet to a targeted SMBv1 server and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability results in arbitrary code execution.


How to mitigate CVE-2017-0272

Install update from vendor's website.

Sources